Finding the Third Proportional to 367,434 and 520,061

Step by Step Solution

1. Step 1: Write the proportion equation
   367,434 : 520,061 = 520,061 : x
2. Step 2: Convert to fraction form
   367,434/520,061 = 520,061/x
3. Step 3: Cross multiply
   367,434x = 520,061 × 520,061
4. Step 4: Simplify right side
   367,434x = 270,463,443,721
5. Step 5: Solve for x
   x = 270,463,443,721/367,434
6. Step 6: Final answer
   x = 736,087.14